The Titanium Field Guide

Bianchet B1.618 Grande Date Carbon

CBEBFTGD4 / CBOFTGD4 / CBRFTGD4 / CBSBFTGD4 / CBWFTGD4 (Lime: no reference printed)

The Bianchet B1.618 Grande Date Carbon is a 43 mm carbon watch with a hand-wound movement. With a 90-hour power reserve, only three of the 100 other mechanical carbon watches with a stated reserve run longer.

All Bianchet watchesOther watchesTourbillonDisplay back
Price
≈$78,694 (CHF 65,500)
Material
Carbon
Grade / type
High-density carbon
Water resistance
100 m
Reference
CBEBFTGD4 / CBOFTGD4 / CBRFTGD4 / CBSBFTGD4 / CBWFTGD4 (Lime: no reference printed)
Type
Other
Case diameter
43.0 mm
Thickness
14.35 mm
Lug-to-lug
51 mm
Origin
Switzerland
Movement
Manual-wind flying tourbillon (60-second) with Grande Date, 3 Hz, 20 jewels
Caliber
Bianchet in-house flying tourbillon Grande Date
Power reserve
90 hours
Complications
Tourbillon, Date
Colour
Black
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Two vulcanized rubber straps, quick-release, titanium deployant buckle
Crystal
Sapphire
Display back
Yes
Dial
Openworked skeleton with earth, lime, orange, red, sky blue or white accents
Dial colours
Blue Yellow Orange Red
Availability
Offered
Status
Current (10 percent deposit to reserve)
Not published
Weight, Hardness, Construction, Surface treatment, Caseback, Matching bracelet, Lume
High confidence Verified Oct 2026 Source: Bianchet Grande Date Carbon earth / Bianchet Grande Date Carbon lime / Bianchet Grande Date Carbon orange / Bianchet Grande Date Carbon red / Bianchet Grande Date Carbon sky blue / Bianchet Grande Date Carbon white
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Alternatives to the Bianchet B1.618 Grande Date Carbon

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Frequently asked questions

What is the case of the Bianchet B1.618 Grande Date Carbon made of?

The case is high-density carbon. That is confirmed against the maker's specification.

What size is the Bianchet B1.618 Grande Date Carbon?

The case is 43 mm across, 14.35 mm thick and 51 mm from lug to lug. It is water resistant to 100 m.

How much does the Bianchet B1.618 Grande Date Carbon cost, and is it available?

It is in production, at a list price of $78,694.

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